criu/compel/include/log.h
Cyrill Gorcunov 1a30731b1f compel: Add callback-based log engine
pr_out is only special left in piegen engine, the rest use
compel's pr_x output. Probably we will need to enhance it
one day to make same close to what we have in criu.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:02 +03:00

61 lines
1.5 KiB
C

#ifndef COMPEL_LOG_H__
#define COMPEL_LOG_H__
#include "uapi/compel/compel.h"
#include "uapi/compel/loglevels.h"
#ifndef LOG_PREFIX
# define LOG_PREFIX
#endif
static inline int pr_quelled(unsigned int loglevel)
{
return compel_log_get_loglevel() < loglevel && loglevel != LOG_MSG;
}
extern void compel_print_on_level(unsigned int loglevel, const char *format, ...);
#define pr_msg(fmt, ...) \
compel_print_on_level(LOG_MSG, \
fmt, ##__VA_ARGS__)
#define pr_info(fmt, ...) \
compel_print_on_level(LOG_INFO, \
LOG_PREFIX fmt, ##__VA_ARGS__)
#define pr_err(fmt, ...) \
compel_print_on_level(LOG_ERROR, \
"Error (%s:%d): " LOG_PREFIX fmt, \
__FILE__, __LINE__, ##__VA_ARGS__)
#define pr_err_once(fmt, ...) \
do { \
static bool __printed; \
if (!__printed) { \
pr_err(fmt, ##__VA_ARGS__); \
__printed = 1; \
} \
} while (0)
#define pr_warn(fmt, ...) \
compel_print_on_level(LOG_WARN, \
"Warn (%s:%d): " LOG_PREFIX fmt, \
__FILE__, __LINE__, ##__VA_ARGS__)
#define pr_warn_once(fmt, ...) \
do { \
static bool __printed; \
if (!__printed) { \
pr_warn(fmt, ##__VA_ARGS__); \
__printed = 1; \
} \
} while (0)
#define pr_debug(fmt, ...) \
compel_print_on_level(LOG_DEBUG, \
LOG_PREFIX fmt, ##__VA_ARGS__)
#define pr_perror(fmt, ...) \
pr_err(fmt ": %m\n", ##__VA_ARGS__)
#endif /* COMPEL_LOG_H__ */